ecp5um project: restructure so we can add more devices

1 files changed, 0 insertions, 1060 deletions

diff --git a/clarity/pcs/sgmii2/sgmii2_softlogic.v b/clarity/pcs/sgmii2/sgmii2_softlogic.v
deleted file mode 100644
index 5346253..0000000
--- a/clarity/pcs/sgmii2/sgmii2_softlogic.v
+++ /dev/null
@@ -1,1060 +0,0 @@
-
-//   ===========================================================================
-//   >>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-//   ---------------------------------------------------------------------------
-//   Copyright (c) 2015 by Lattice Semiconductor Corporation
-//   ALL RIGHTS RESERVED 
-//   ------------------------------------------------------------------
-//
-//   Permission:
-//
-//      Lattice SG Pte. Ltd. grants permission to use this code
-//      pursuant to the terms of the Lattice Reference Design License Agreement. 
-//
-//
-//   Disclaimer:
-//
-//      This VHDL or Verilog source code is intended as a design reference
-//      which illustrates how these types of functions can be implemented.
-//      It is the user's responsibility to verify their design for
-//      consistency and functionality through the use of formal
-//      verification methods.  Lattice provides no warranty
-//      regarding the use or functionality of this code.
-//
-//   ---------------------------------------------------------------------------
-//
-//                  Lattice SG Pte. Ltd.
-//                  101 Thomson Road, United Square #07-02 
-//                  Singapore 307591
-//
-//
-//                  TEL: 1-800-Lattice (USA and Canada)
-//                       +65-6631-2000 (Singapore)
-//                       +1-503-268-8001 (other locations)
-//
-//                  web: http://www.latticesemi.com/
-//                  email: techsupport@latticesemi.com
-//
-//   ---------------------------------------------------------------------------
-//
-// =============================================================================
-//                         FILE DETAILS         
-// Project               : SLL - Soft Loss Of Lock(LOL) Logic
-// File                  : sll_core.v
-// Title                 : Top-level file for SLL 
-// Dependencies          : 1.
-//                       : 2.
-// Description           : 
-// =============================================================================
-//                         REVISION HISTORY
-// Version               : 1.0
-// Author(s)             : AV
-// Mod. Date             : March 2, 2015
-// Changes Made          : Initial Creation
-// =============================================================================
-//                         REVISION HISTORY
-// Version               : 1.1
-// Author(s)             : AV
-// Mod. Date             : June 8, 2015
-// Changes Made          : Following updates were made 
-//                       : 1. Changed all the PLOL status logic and FSM to run
-//                       :    on sli_refclk. 
-//                       : 2. Added the HB logic for presence of tx_pclk 
-//                       : 3. Changed the lparam assignment scheme for 
-//                       :    simulation purposes. 
-// =============================================================================
-//                         REVISION HISTORY
-// Version               : 1.2
-// Author(s)             : AV
-// Mod. Date             : June 24, 2015
-// Changes Made          : Updated the gearing logic for SDI dynamic rate change
-// =============================================================================
-//                         REVISION HISTORY
-// Version               : 1.3
-// Author(s)             : AV
-// Mod. Date             : July 14, 2015
-// Changes Made          : Added the logic for dynamic rate change in CPRI
-// =============================================================================
-//                         REVISION HISTORY
-// Version               : 1.4
-// Author(s)             : AV
-// Mod. Date             : August 21, 2015
-// Changes Made          : Added the logic for dynamic rate change of 5G CPRI & 
-//                         PCIe.
-// =============================================================================
-//                         REVISION HISTORY
-// Version               : 1.5
-// Author(s)             : ES/EB
-// Mod. Date             : March 21, 2017
-// Changes Made          : 1. Added pdiff_sync signal to syncrhonize pcount_diff 
-//                       :    to sli_refclk.
-//                       : 2. Updated terminal count logic for PCIe 5G
-//                       : 3. Modified checking of pcount_diff in SLL state
-//                       :    machine to cover actual count
-//                       :    (from 16-bits to 22-bits)
-// =============================================================================
-//                         REVISION HISTORY
-// Version               : 1.6
-// Author(s)             : ES
-// Mod. Date             : April 19, 2017
-// Changes Made          : 1. Added registered lock and unlock signal from
-//                            pdiff_sync to totally decouple pcount_diff from
-//                            SLL state machine.
-//                       : 2. Modified LPCLK_TC_4 to 1:1 clock ratio when CPRI
-//                            is operating @ 4.9125Gbps data rate.
-// =============================================================================
-`timescale 1ns/10ps
-
-module sgmii2sll_core ( 
-  //Reset and Clock inputs
-  sli_rst,         //Active high asynchronous reset input
-  sli_refclk,      //Refclk input to the Tx PLL
-  sli_pclk,        //Tx pclk output from the PCS
-  
-  //Control inputs
-  sli_div2_rate,   //Divide by 2 control; 0 - Full rate; 1 - Half rate
-  sli_div11_rate,  //Divide by 11 control; 0 - Full rate; 1 - Div by 11
-  sli_gear_mode,   //Gear mode control for PCS; 0 - 8/10; 1- 16/20
-  sli_cpri_mode,   //Mode of operation specific to CPRI protocol
-  sli_pcie_mode,   //Mode of operation specific to PCIe mode (2.5G or 5G)
-  
-  //LOL Output
-  slo_plol         //Tx PLL Loss of Lock output to the user logic
-  );
-  
-// Inputs
-input       sli_rst;
-input       sli_refclk;
-input       sli_pclk;
-input       sli_div2_rate;
-input       sli_div11_rate;
-input       sli_gear_mode;
-input [2:0] sli_cpri_mode;
-input       sli_pcie_mode;
-
-// Outputs
-output      slo_plol;
-
-
-// Parameters
-parameter PPROTOCOL              = "PCIE";     //Protocol selected by the User
-parameter PLOL_SETTING           = 0;          //PLL LOL setting. Possible values are 0,1,2,3
-parameter PDYN_RATE_CTRL         = "DISABLED"; //PCS Dynamic Rate control
-parameter PPCIE_MAX_RATE         = "2.5";      //PCIe max data rate
-parameter PDIFF_VAL_LOCK         = 20;         //Differential count value for Lock
-parameter PDIFF_VAL_UNLOCK       = 39;         //Differential count value for Unlock
-parameter PPCLK_TC               = 65535;      //Terminal count value for counter running on sli_pclk
-parameter PDIFF_DIV11_VAL_LOCK   = 3;          //Differential count value for Lock for SDI Div11
-parameter PDIFF_DIV11_VAL_UNLOCK = 3;          //Differential count value for Unlock for SDI Div11
-parameter PPCLK_DIV11_TC         = 2383;       //Terminal count value (SDI Div11) for counter running on sli_pclk
-
-
-// Local Parameters
-localparam [1:0]  LPLL_LOSS_ST         = 2'b00;       //PLL Loss state
-localparam [1:0]  LPLL_PRELOSS_ST      = 2'b01;       //PLL Pre-Loss state
-localparam [1:0]  LPLL_PRELOCK_ST      = 2'b10;       //PLL Pre-Lock state
-localparam [1:0]  LPLL_LOCK_ST         = 2'b11;       //PLL Lock state
-`ifdef RSL_SIM_MODE
-localparam [15:0] LRCLK_TC             = 16'd63;   //Terminal count value for counter running on sli_refclk
-`else
-localparam [15:0] LRCLK_TC             = 16'd65535;   //Terminal count value for counter running on sli_refclk
-`endif
-localparam [15:0] LRCLK_TC_PUL_WIDTH   = 16'd50;      //Pulse width for the Refclk terminal count pulse
-localparam [7:0]  LHB_WAIT_CNT         = 8'd255;      //Wait count for the Heartbeat signal
-
-// Local Parameters related to the CPRI dynamic modes
-// Terminal count values for the four CPRI modes
-localparam LPCLK_TC_0 = 32768;
-localparam LPCLK_TC_1 = 65536;
-localparam LPCLK_TC_2 = 131072;
-localparam LPCLK_TC_3 = 163840;
-localparam LPCLK_TC_4 = 65536;
-
-// Lock values count values for the four CPRI modes and four PLOL settings (4x5)
-// CPRI rate mode 0                CPRI rate mode 1                   CPRI rate mode 2                    CPRI rate mode 3                     CPRI rate mode 4
-localparam LPDIFF_LOCK_00 = 9;     localparam LPDIFF_LOCK_10 = 19;    localparam LPDIFF_LOCK_20 = 39;     localparam LPDIFF_LOCK_30 = 49;      localparam LPDIFF_LOCK_40 = 19;
-localparam LPDIFF_LOCK_01 = 9;     localparam LPDIFF_LOCK_11 = 19;    localparam LPDIFF_LOCK_21 = 39;     localparam LPDIFF_LOCK_31 = 49;      localparam LPDIFF_LOCK_41 = 19;
-localparam LPDIFF_LOCK_02 = 49;    localparam LPDIFF_LOCK_12 = 98;    localparam LPDIFF_LOCK_22 = 196;    localparam LPDIFF_LOCK_32 = 245;     localparam LPDIFF_LOCK_42 = 98;
-localparam LPDIFF_LOCK_03 = 131;   localparam LPDIFF_LOCK_13 = 262;   localparam LPDIFF_LOCK_23 = 524;    localparam LPDIFF_LOCK_33 = 655;     localparam LPDIFF_LOCK_43 = 262;
-
-// Unlock values count values for the four CPRI modes and four PLOL settings (4x5)
-// CPRI rate mode 0                  CPRI rate mode 1                      CPRI rate mode 2                       CPRI rate mode 3                         CPRI rate mode 4
-localparam LPDIFF_UNLOCK_00 = 19;    localparam LPDIFF_UNLOCK_10 = 39;     localparam LPDIFF_UNLOCK_20 = 78;      localparam LPDIFF_UNLOCK_30 = 98;        localparam LPDIFF_UNLOCK_40 = 39;
-localparam LPDIFF_UNLOCK_01 = 65;    localparam LPDIFF_UNLOCK_11 = 131;    localparam LPDIFF_UNLOCK_21 = 262;     localparam LPDIFF_UNLOCK_31 = 327;       localparam LPDIFF_UNLOCK_41 = 131;
-localparam LPDIFF_UNLOCK_02 = 72;    localparam LPDIFF_UNLOCK_12 = 144;    localparam LPDIFF_UNLOCK_22 = 288;     localparam LPDIFF_UNLOCK_32 = 360;       localparam LPDIFF_UNLOCK_42 = 144;
-localparam LPDIFF_UNLOCK_03 = 196;   localparam LPDIFF_UNLOCK_13 = 393;    localparam LPDIFF_UNLOCK_23 = 786;     localparam LPDIFF_UNLOCK_33 = 983;       localparam LPDIFF_UNLOCK_43 = 393;
-
-// Input and Output reg and wire declarations
-wire       sli_rst;
-wire       sli_refclk;
-wire       sli_pclk;
-wire       sli_div2_rate;
-wire       sli_div11_rate;
-wire       sli_gear_mode;
-wire [2:0] sli_cpri_mode;
-wire       sli_pcie_mode;
-wire       slo_plol;
-
-//-------------- Internal signals reg and wire declarations --------------------
-
-//Signals running on sli_refclk
-reg  [15:0] rcount;           //16-bit Counter
-reg         rtc_pul;          //Terminal count pulse
-reg         rtc_pul_p1;       //Terminal count pulse pipeline
-reg         rtc_ctrl;         //Terminal count pulse control
-
-reg  [7:0]  rhb_wait_cnt;     //Heartbeat wait counter
-
-//Heatbeat synchronization and pipeline registers
-wire        rhb_sync;
-reg         rhb_sync_p2;
-reg         rhb_sync_p1;
-
-//Pipeling registers for dynamic control mode
-wire        rgear;
-wire        rdiv2;
-wire        rdiv11;
-reg         rgear_p1;
-reg         rdiv2_p1;
-reg         rdiv11_p1;
-
-reg         rstat_pclk;        //Pclk presence/absence status
-
-reg  [21:0] rcount_tc;         //Tx_pclk terminal count register
-reg  [15:0] rdiff_comp_lock;   //Differential comparison value for Lock
-reg  [15:0] rdiff_comp_unlock; //Differential compariosn value for Unlock
-
-wire        rpcie_mode;        //PCIe mode signal synchronized to refclk
-reg         rpcie_mode_p1;     //PCIe mode pipeline register
-
-wire        rcpri_mod_ch_sync; //CPRI mode change synchronized to refclk
-reg         rcpri_mod_ch_p1;   //CPRI mode change pipeline register
-reg         rcpri_mod_ch_p2;   //CPRI mode change pipeline register
-reg         rcpri_mod_ch_st;   //CPRI mode change status
-
-reg  [1:0]  sll_state;         //Current-state register for LOL FSM
-
-reg         pll_lock;          //PLL Lock signal
-
-//Signals running on sli_pclk
-//Synchronization and pipeline registers
-wire        ppul_sync;
-reg         ppul_sync_p1;
-reg         ppul_sync_p2;
-reg         ppul_sync_p3;
-
-wire        pdiff_sync;
-reg         pdiff_sync_p1;
-   
-reg  [21:0] pcount;            //22-bit counter
-reg  [21:0] pcount_diff;       //Differential value between Tx_pclk counter and theoritical value
-
-//Heartbeat counter and heartbeat signal running on pclk
-reg  [2:0]  phb_cnt;
-reg         phb;
-
-//CPRI dynamic mode releated signals
-reg  [2:0]  pcpri_mode;
-reg         pcpri_mod_ch;
-
-//Assignment scheme changed mainly for simulation purpose
-wire [15:0] LRCLK_TC_w;
-assign LRCLK_TC_w = LRCLK_TC;
-
-reg         unlock;
-reg         lock;
-
-//Heartbeat synchronization
-sync # (.PDATA_RST_VAL(0)) phb_sync_inst ( 
-  .clk     (sli_refclk),
-  .rst     (sli_rst),
-  .data_in (phb),
-  .data_out(rhb_sync)
-  );
-  
-  
-//Terminal count pulse synchronization
-sync # (.PDATA_RST_VAL(0)) rtc_sync_inst ( 
-  .clk     (sli_pclk),
-  .rst     (sli_rst),
-  .data_in (rtc_pul),
-  .data_out(ppul_sync)
-  );
-
-//Differential value logic update synchronization
-sync # (.PDATA_RST_VAL(0)) pdiff_sync_inst ( 
-  .clk     (sli_refclk),
-  .rst     (sli_rst),
-  .data_in (ppul_sync),
-  .data_out(pdiff_sync)
-  );
-
-//Gear mode synchronization
-sync # (.PDATA_RST_VAL(0)) gear_sync_inst ( 
-  .clk     (sli_refclk),
-  .rst     (sli_rst),
-  .data_in (sli_gear_mode),
-  .data_out(rgear)
-  );
-  
-//Div2 synchronization
-sync # (.PDATA_RST_VAL(0)) div2_sync_inst ( 
-  .clk     (sli_refclk),
-  .rst     (sli_rst),
-  .data_in (sli_div2_rate),
-  .data_out(rdiv2)
-  );
-  
-//Div11 synchronization
-sync # (.PDATA_RST_VAL(0)) div11_sync_inst ( 
-  .clk     (sli_refclk),
-  .rst     (sli_rst),
-  .data_in (sli_div11_rate),
-  .data_out(rdiv11)
-  );
-  
-//CPRI mode change synchronization
-sync # (.PDATA_RST_VAL(0)) cpri_mod_sync_inst ( 
-  .clk     (sli_refclk),
-  .rst     (sli_rst),
-  .data_in (pcpri_mod_ch),
-  .data_out(rcpri_mod_ch_sync)
-  );
-  
-//PCIe mode change synchronization
-sync # (.PDATA_RST_VAL(0)) pcie_mod_sync_inst ( 
-  .clk     (sli_refclk),
-  .rst     (sli_rst),
-  .data_in (sli_pcie_mode),
-  .data_out(rpcie_mode)
-  );  
-
-// =============================================================================
-// Synchronized Lock/Unlock signals
-// =============================================================================
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    unlock        <= 1'b0;
-    lock          <= 1'b0;
-    pdiff_sync_p1 <= 1'b0;
-  end
-  else begin
-    pdiff_sync_p1 <= pdiff_sync;
-    if (unlock) begin
-      unlock <= ~pdiff_sync && pdiff_sync_p1 ? 1'b0 : unlock;
-    end
-    else begin
-      unlock <= pdiff_sync ? (pcount_diff[21:0] > {6'd0, rdiff_comp_unlock}) : 1'b0;
-    end
-    if (lock) begin
-      lock <= ~pdiff_sync && pdiff_sync_p1 ? 1'b0 : lock;
-    end
-    else begin
-      lock <= pdiff_sync ? (pcount_diff[21:0] <= {6'd0, rdiff_comp_lock}) : 1'b0;
-    end
-  end
-end
-
-// =============================================================================
-// Refclk Counter, pulse generation logic and Heartbeat monitor logic
-// =============================================================================
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    rcount     <= 16'd0;
-    rtc_pul    <= 1'b0;
-    rtc_ctrl   <= 1'b0;
-    rtc_pul_p1 <= 1'b0;
-  end
-  else begin
-    //Counter logic
-    if ((rgear_p1^rgear == 1'b1) || (rdiv2_p1^rdiv2 == 1'b1) || (rdiv11_p1^rdiv11 == 1'b1) || (rcpri_mod_ch_p1^rcpri_mod_ch_p2 == 1'b1) || (rpcie_mode_p1^rpcie_mode == 1'b1)) begin
-      if (rtc_ctrl == 1'b1) begin
-        rcount <= LRCLK_TC_PUL_WIDTH;
-      end  
-    end
-    else begin
-      if (rcount != LRCLK_TC_w) begin
-        rcount <= rcount + 1;
-      end
-      else begin
-        rcount <= 16'd0;   
-      end
-    end
-    
-    //Pulse control logic
-    if (rcount == LRCLK_TC_w - 1) begin
-      rtc_ctrl <= 1'b1;
-    end
-    
-    //Pulse Generation logic
-    if (rtc_ctrl == 1'b1) begin
-      if ((rcount == LRCLK_TC_w) || (rcount < LRCLK_TC_PUL_WIDTH)) begin
-        rtc_pul <= 1'b1;
-    end  
-      else begin
-        rtc_pul <= 1'b0;  
-      end
-    end
-    
-    rtc_pul_p1 <= rtc_pul;  
-  end  
-end
-
-
-// =============================================================================
-// Heartbeat synchronization & monitor logic and Dynamic mode pipeline logic 
-// =============================================================================
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    rhb_sync_p1     <= 1'b0;
-    rhb_sync_p2     <= 1'b0;
-    rhb_wait_cnt    <= 8'd0;
-    rstat_pclk      <= 1'b0;
-    rgear_p1        <= 1'b0;
-    rdiv2_p1        <= 1'b0;
-    rdiv11_p1       <= 1'b0;
-    rcpri_mod_ch_p1 <= 1'b0;
-    rcpri_mod_ch_p2 <= 1'b0;
-    rcpri_mod_ch_st <= 1'b0;
-    rpcie_mode_p1   <= 1'b0;
-    
-  end
-  else begin
-    //Pipeline stages for the Heartbeat
-    rhb_sync_p1 <= rhb_sync;
-    rhb_sync_p2 <= rhb_sync_p1;
-    
-    //Pipeline stages of the Dynamic rate control signals
-    rgear_p1  <= rgear;
-    rdiv2_p1  <= rdiv2;
-    rdiv11_p1 <= rdiv11;
-    
-    //Pipeline stage for PCIe mode
-    rpcie_mode_p1 <= rpcie_mode;
-    
-    //Pipeline stage for CPRI mode change
-    rcpri_mod_ch_p1 <= rcpri_mod_ch_sync;
-    rcpri_mod_ch_p2 <= rcpri_mod_ch_p1;
-    
-    //CPRI mode change status logic
-    if (rcpri_mod_ch_p1^rcpri_mod_ch_sync == 1'b1) begin
-      rcpri_mod_ch_st <= 1'b1;
-    end 
-    
-    //Heartbeat wait counter and monitor logic
-    if (rtc_ctrl == 1'b1) begin
-      if (rhb_sync_p1 == 1'b1 && rhb_sync_p2 == 1'b0) begin
-        rhb_wait_cnt <= 8'd0;
-        rstat_pclk   <= 1'b1;
-      end
-      else if (rhb_wait_cnt == LHB_WAIT_CNT) begin
-        rhb_wait_cnt <= 8'd0;
-        rstat_pclk   <= 1'b0;
-      end
-      else begin
-        rhb_wait_cnt <= rhb_wait_cnt + 1;
-      end
-    end
-  end  
-end
-
-
-// =============================================================================
-// Pipleline registers for the TC pulse and CPRI mode change logic
-// =============================================================================
-always @(posedge sli_pclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    ppul_sync_p1 <= 1'b0;
-    ppul_sync_p2 <= 1'b0;
-    ppul_sync_p3 <= 1'b0;
-    pcpri_mode   <= 3'b0;
-    pcpri_mod_ch <= 1'b0;
-  end
-  else begin
-    ppul_sync_p1 <= ppul_sync;
-    ppul_sync_p2 <= ppul_sync_p1;
-    ppul_sync_p3 <= ppul_sync_p2;
-    
-    //CPRI mode change logic
-    pcpri_mode <= sli_cpri_mode;
-    
-    if (pcpri_mode != sli_cpri_mode) begin
-      pcpri_mod_ch <= ~pcpri_mod_ch;
-    end 
-  end  
-end
-   
-
-// =============================================================================
-// Terminal count logic
-// =============================================================================
-
-//For SDI protocol with Dynamic rate control enabled
-generate
-if ((PDYN_RATE_CTRL == "ENABLED") && (PPROTOCOL == "SDI")) begin
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    rcount_tc         <= 22'd0;
-    rdiff_comp_lock   <= 16'd0;
-    rdiff_comp_unlock <= 16'd0;
-  end
-  else begin
-    //Terminal count logic
-    //Div by 11 is enabled
-    if (rdiv11 == 1'b1) begin
-      //Gear mode is 16/20
-      if (rgear == 1'b1) begin
-        rcount_tc         <= PPCLK_DIV11_TC;
-        rdiff_comp_lock   <= PDIFF_DIV11_VAL_LOCK;
-        rdiff_comp_unlock <= PDIFF_DIV11_VAL_UNLOCK;
-      end
-      else begin
-        rcount_tc         <= {PPCLK_DIV11_TC[20:0], 1'b0};
-        rdiff_comp_lock   <= {PDIFF_DIV11_VAL_LOCK[14:0], 1'b0};
-        rdiff_comp_unlock <= {PDIFF_DIV11_VAL_UNLOCK[14:0], 1'b0};
-      end
-    end
-    //Div by 2 is enabled
-    else if (rdiv2 == 1'b1) begin
-      //Gear mode is 16/20
-      if (rgear == 1'b1) begin
-        rcount_tc         <= {1'b0,PPCLK_TC[21:1]};
-        rdiff_comp_lock   <= {1'b0,PDIFF_VAL_LOCK[15:1]};
-        rdiff_comp_unlock <= {1'b0,PDIFF_VAL_UNLOCK[15:1]};
-      end
-      else begin
-        rcount_tc         <= PPCLK_TC;
-        rdiff_comp_lock   <= PDIFF_VAL_LOCK;
-        rdiff_comp_unlock <= PDIFF_VAL_UNLOCK;
-      end
-    end
-    //Both div by 11 and div by 2 are disabled
-    else begin
-      //Gear mode is 16/20
-      if (rgear == 1'b1) begin
-        rcount_tc         <= PPCLK_TC;
-        rdiff_comp_lock   <= PDIFF_VAL_LOCK;
-        rdiff_comp_unlock <= PDIFF_VAL_UNLOCK;
-      end
-      else begin
-        rcount_tc         <= {PPCLK_TC[20:0],1'b0};
-        rdiff_comp_lock   <= {PDIFF_VAL_LOCK[14:0],1'b0};
-        rdiff_comp_unlock <= {PDIFF_VAL_UNLOCK[14:0],1'b0};
-      end
-    end
-  end  
-end
-end
-endgenerate
-
-//For G8B10B protocol with Dynamic rate control enabled
-generate
-if ((PDYN_RATE_CTRL == "ENABLED") && (PPROTOCOL == "G8B10B")) begin
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    rcount_tc         <= 22'd0;
-    rdiff_comp_lock   <= 16'd0;
-    rdiff_comp_unlock <= 16'd0;
-  end
-  else begin
-    //Terminal count logic
-    //Div by 2 is enabled
-    if (rdiv2 == 1'b1) begin
-      rcount_tc         <= {1'b0,PPCLK_TC[21:1]};
-      rdiff_comp_lock   <= {1'b0,PDIFF_VAL_LOCK[15:1]};
-      rdiff_comp_unlock <= {1'b0,PDIFF_VAL_UNLOCK[15:1]};
-    end
-    else begin
-      rcount_tc         <= PPCLK_TC;
-      rdiff_comp_lock   <= PDIFF_VAL_LOCK;
-      rdiff_comp_unlock <= PDIFF_VAL_UNLOCK;
-    end
-  end  
-end
-end
-endgenerate
-
-
-//For CPRI protocol with Dynamic rate control is disabled
-generate
-if ((PDYN_RATE_CTRL == "DISABLED") && (PPROTOCOL == "CPRI")) begin
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    rcount_tc         <= 22'd0;
-    rdiff_comp_lock   <= 16'd0;
-    rdiff_comp_unlock <= 16'd0;
-  end
-  else begin
-    //Terminal count logic for CPRI protocol
-    //Only if there is a change in the rate mode from the default
-    if (rcpri_mod_ch_st == 1'b1) begin
-      if (rcpri_mod_ch_p1^rcpri_mod_ch_p2 == 1'b1) begin
-        case(sli_cpri_mode)
-          3'd0 : begin //For 0.6Gbps
-            rcount_tc         <= LPCLK_TC_0;
-            case(PLOL_SETTING)
-              'd0 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_00;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_00;
-              end
-              
-              'd1 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_01;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_01;
-              end
-              
-              'd2 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_02;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_02;
-              end
-              
-              'd3 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_03;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_03;
-              end
-              
-              default : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_00;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_00;
-              end
-            endcase
-          end
-          
-          3'd1 : begin //For 1.2Gbps
-            rcount_tc         <= LPCLK_TC_1;
-            case(PLOL_SETTING)
-              'd0 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_10;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_10;
-              end
-              
-              'd1 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_11;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_11;
-              end
-              
-              'd2 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_12;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_12;
-              end
-              
-              'd3 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_13;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_13;
-              end
-              
-              default : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_10;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_10;
-              end
-            endcase
-          end
-          
-          3'd2 : begin //For 2.4Gbps
-            rcount_tc         <= LPCLK_TC_2;
-            case(PLOL_SETTING)
-              'd0 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_20;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_20;
-              end
-              
-              'd1 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_21;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_21;
-              end
-              
-              'd2 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_22;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_22;
-              end
-              
-              'd3 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_23;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_23;
-              end
-              
-              default : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_20;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_20;
-              end
-            endcase
-          end
-          
-          3'd3 : begin //For 3.07Gbps
-            rcount_tc         <= LPCLK_TC_3;
-            case(PLOL_SETTING)
-              'd0 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_30;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_30;
-              end
-              
-              'd1 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_31;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_31;
-              end
-              
-              'd2 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_32;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_32;
-              end
-              
-              'd3 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_33;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_33;
-              end
-            endcase
-          end    
-              
-          3'd4 : begin //For 4.9125bps
-            rcount_tc         <= LPCLK_TC_4;
-            case(PLOL_SETTING)
-              'd0 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_40;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_40;
-              end
-              
-              'd1 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_41;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_41;
-              end
-              
-              'd2 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_42;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_42;
-              end
-              
-              'd3 : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_43;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_43;
-              end  
-            
-              default : begin
-                rdiff_comp_lock   <= LPDIFF_LOCK_40;
-                rdiff_comp_unlock <= LPDIFF_UNLOCK_40;
-              end
-            endcase
-          end
-        
-          default : begin
-            rcount_tc         <= LPCLK_TC_0;
-            rdiff_comp_lock   <= LPDIFF_LOCK_00;
-            rdiff_comp_unlock <= LPDIFF_UNLOCK_00;
-          end
-        endcase
-      end
-    end
-    else begin
-      //If there is no change in the CPRI rate mode from default
-      rcount_tc         <= PPCLK_TC;
-      rdiff_comp_lock   <= PDIFF_VAL_LOCK;
-      rdiff_comp_unlock <= PDIFF_VAL_UNLOCK;
-    end  
-  end  
-end
-end
-endgenerate
-
-//For PCIe protocol with Dynamic rate control disabled
-generate
-if ((PDYN_RATE_CTRL == "DISABLED") && (PPROTOCOL == "PCIE")) begin
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    rcount_tc         <= 22'd0;
-    rdiff_comp_lock   <= 16'd0;
-    rdiff_comp_unlock <= 16'd0;
-  end
-  else begin
-    //Terminal count logic
-    if (PPCIE_MAX_RATE == "2.5") begin
-      //2.5G mode is enabled
-      rcount_tc         <= PPCLK_TC;
-      rdiff_comp_lock   <= PDIFF_VAL_LOCK;
-      rdiff_comp_unlock <= PDIFF_VAL_UNLOCK;
-    end
-    else begin
-      //5G mode is enabled
-      if (rpcie_mode == 1'b1) begin
-        rcount_tc         <= PPCLK_TC;
-        rdiff_comp_lock   <= PDIFF_VAL_LOCK;
-        rdiff_comp_unlock <= PDIFF_VAL_UNLOCK;
-      end
-      else begin
-        //2.5G mode is enabled
-        rcount_tc         <= {1'b0,PPCLK_TC[21:1]};
-        rdiff_comp_lock   <= {1'b0,PDIFF_VAL_LOCK[15:1]};
-        rdiff_comp_unlock <= {1'b0,PDIFF_VAL_UNLOCK[15:1]};
-      end 
-    end 	  
-  end  
-end
-end
-endgenerate
-
-//For all protocols other than CPRI & PCIe
-generate
-if ((PDYN_RATE_CTRL == "DISABLED") && ((PPROTOCOL != "CPRI") && (PPROTOCOL != "PCIE"))) begin
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    rcount_tc         <= 22'd0;
-    rdiff_comp_lock   <= 16'd0;
-    rdiff_comp_unlock <= 16'd0;
-  end
-  else begin
-    //Terminal count logic for all protocols other than CPRI & PCIe
-    rcount_tc         <= PPCLK_TC;
-    rdiff_comp_lock   <= PDIFF_VAL_LOCK;
-    rdiff_comp_unlock <= PDIFF_VAL_UNLOCK;
-  end  
-end
-end
-endgenerate
-
-
-// =============================================================================
-// Tx_pclk counter, Heartbeat and Differential value logic
-// =============================================================================
-always @(posedge sli_pclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    pcount      <= 22'd0;
-    pcount_diff <= 22'd65535;
-    phb_cnt     <= 3'd0;
-    phb         <= 1'b0;
-  end
-  else begin
-    //Counter logic
-    if (ppul_sync_p1 == 1'b1 && ppul_sync_p2 == 1'b0) begin
-      pcount <= 22'd0;
-    end
-    else begin
-      pcount <= pcount + 1;
-    end
-    
-    //Heartbeat logic
-    phb_cnt <= phb_cnt + 1;
-    
-    if ((phb_cnt < 3'd4) && (phb_cnt >= 3'd0)) begin
-      phb <= 1'b1;
-    end  
-    else begin
-      phb <= 1'b0;  
-    end 
-    
-    //Differential value logic
-    if (ppul_sync_p1 == 1'b1 && ppul_sync_p2 == 1'b0) begin
-      pcount_diff <= rcount_tc + ~(pcount) + 1;
-    end  
-    else if (ppul_sync_p2 == 1'b1 && ppul_sync_p3 == 1'b0) begin
-      if (pcount_diff[21] == 1'b1) begin
-        pcount_diff <= ~(pcount_diff) + 1;
-      end
-    end
-  end  
-end
-
-
-// =============================================================================
-// State transition logic for SLL FSM
-// =============================================================================
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    sll_state <= LPLL_LOSS_ST; 
-  end
-  else begin
-    //Reasons to declare an immediate loss - Absence of Tx_pclk, Dynamic rate change for SDI or CPRI
-    if ((rstat_pclk == 1'b0) || (rgear_p1^rgear == 1'b1) || (rdiv2_p1^rdiv2 == 1'b1) || 
-    (rdiv11_p1^rdiv11 == 1'b1) || (rcpri_mod_ch_p1^rcpri_mod_ch_p2 == 1'b1) || (rpcie_mode_p1^rpcie_mode == 1'b1)) begin
-      sll_state <= LPLL_LOSS_ST;
-    end
-    else begin  
-      case(sll_state)
-        LPLL_LOSS_ST : begin
-          if (rtc_pul_p1 == 1'b1 && rtc_pul == 1'b0) begin
-            if (unlock) begin
-              sll_state <= LPLL_LOSS_ST;
-            end
-            else if (lock) begin
-              if (PLOL_SETTING == 2'd0) begin
-                sll_state <= LPLL_PRELOCK_ST;
-              end
-              else begin
-                sll_state <= LPLL_LOCK_ST;
-              end
-            end
-          end
-        end
-        
-        LPLL_LOCK_ST : begin
-          if (rtc_pul_p1 == 1'b1 && rtc_pul == 1'b0) begin
-            if (lock) begin
-              sll_state <= LPLL_LOCK_ST;
-            end
-            else begin
-              if (PLOL_SETTING == 2'd0) begin
-                sll_state <= LPLL_LOSS_ST;
-              end
-              else begin
-                sll_state <= LPLL_PRELOSS_ST;
-              end
-            end
-          end
-        end
-        
-        LPLL_PRELOCK_ST : begin
-          if (rtc_pul_p1 == 1'b1 && rtc_pul == 1'b0) begin
-            if (lock) begin
-              sll_state <= LPLL_LOCK_ST;
-            end
-            else begin
-              sll_state <= LPLL_PRELOSS_ST;
-            end
-          end
-        end
-        
-        LPLL_PRELOSS_ST : begin
-          if (rtc_pul_p1 == 1'b1 && rtc_pul == 1'b0) begin
-            if (unlock) begin
-              sll_state <= LPLL_PRELOSS_ST;
-            end
-            else if (lock) begin
-              sll_state <= LPLL_LOCK_ST;
-            end
-          end
-        end
-        
-        default: begin
-          sll_state <= LPLL_LOSS_ST;
-        end
-      endcase
-    end  
-  end  
-end
-
-
-// =============================================================================
-// Logic for Tx PLL Lock
-// =============================================================================
-always @(posedge sli_refclk or posedge sli_rst) begin
-  if (sli_rst == 1'b1) begin
-    pll_lock <= 1'b0; 
-  end
-  else begin
-    case(sll_state)
-      LPLL_LOSS_ST : begin
-        pll_lock <= 1'b0;
-      end
-      
-      LPLL_LOCK_ST : begin
-        pll_lock <= 1'b1;
-      end
-      
-      LPLL_PRELOSS_ST : begin
-        pll_lock <= 1'b0;
-      end
-      
-      default: begin
-        pll_lock <= 1'b0;
-      end
-    endcase
-  end  
-end
-
-assign slo_plol = ~(pll_lock);
-
-endmodule  
-
-
-//   ===========================================================================
-//   >>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-//   ---------------------------------------------------------------------------
-//   Copyright (c) 2015 by Lattice Semiconductor Corporation
-//   ALL RIGHTS RESERVED 
-//   ------------------------------------------------------------------
-//
-//   Permission:
-//
-//      Lattice SG Pte. Ltd. grants permission to use this code
-//      pursuant to the terms of the Lattice Reference Design License Agreement. 
-//
-//
-//   Disclaimer:
-//
-//      This VHDL or Verilog source code is intended as a design reference
-//      which illustrates how these types of functions can be implemented.
-//      It is the user's responsibility to verify their design for
-//      consistency and functionality through the use of formal
-//      verification methods.  Lattice provides no warranty
-//      regarding the use or functionality of this code.
-//
-//   ---------------------------------------------------------------------------
-//
-//                  Lattice SG Pte. Ltd.
-//                  101 Thomson Road, United Square #07-02 
-//                  Singapore 307591
-//
-//
-//                  TEL: 1-800-Lattice (USA and Canada)
-//                       +65-6631-2000 (Singapore)
-//                       +1-503-268-8001 (other locations)
-//
-//                  web: http://www.latticesemi.com/
-//                  email: techsupport@latticesemi.com
-//
-//   ---------------------------------------------------------------------------
-//
-// =============================================================================
-//                         FILE DETAILS
-// Project               : Synchronizer Logic
-// File                  : sync.v
-// Title                 : Synchronizer module
-// Description           : 
-// =============================================================================
-//                         REVISION HISTORY
-// Version               : 1.0
-// Author(s)             : AV
-// Mod. Date             : July 7, 2015
-// Changes Made          : Initial Creation
-// -----------------------------------------------------------------------------
-// Version               : 1.1
-// Author(s)             : EB
-// Mod. Date             : March 21, 2017
-// Changes Made          : 
-// =============================================================================
-
-`ifndef PCS_SYNC_MODULE
-`define PCS_SYNC_MODULE
-module sync ( 
-  clk,
-  rst,
-  data_in,
-  data_out
-  );
-  
-input  clk;                  //Clock in which the async data needs to be synchronized to
-input  rst;                  //Active high reset
-input  data_in;              //Asynchronous data
-output data_out;             //Synchronized data
-
-parameter PDATA_RST_VAL = 0; //Reset value for the registers
-
-reg data_p1;
-reg data_p2;
-
-// =============================================================================
-// Synchronization logic
-// =============================================================================
-always @(posedge clk or posedge rst) begin
-  if (rst == 1'b1) begin
-    data_p1 <= PDATA_RST_VAL;
-    data_p2 <= PDATA_RST_VAL; 
-  end
-  else begin
-    data_p1 <= data_in;
-    data_p2 <= data_p1;
-  end  
-end
-
-assign data_out = data_p2; 
-
-endmodule    
-`endif
-